Question

How to slice numpy array in Python

Answer 1

import numpy as np

sequence = np.arange(1, 30, 2) 
print(sequence)

# sequence[start:stop:step]
arr = sequence[-7:12:1]
print(arr)


'''
run:

[ 1  3  5  7  9 11 13 15 17 19 21 23 25 27 29] 
[17 19 21 23]

'''

 

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Answer 2

import numpy as np

sequence = np.arange(1, 30, 2) 
print(sequence)

# from index till the end.
arr = sequence[8:]
print(arr)


'''
run:

[ 1  3  5  7  9 11 13 15 17 19 21 23 25 27 29] 
[17 19 21 23 25 27 29]

'''

 

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